The Comparative Analysis :

BMW i8 Coupé (18 - ..) vs. Porsche 911 GT3 RS PDK (15 - 17)

€ 138,000
BMW i8 Coupé (18 - ..) BMW i8 Coupé
€ 181,700
 Porsche 911 GT3 RS PDK (15 - 17) Porsche 911 GT3 RS
€ 138,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 181,700

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ considerably. Both cars are the same height, but the BMW i8 Coupé is 5.7 inches longer and 2.4 inches wider.
BMW i8 Coupé
Porsche 911 GT3 RS
50.8
Blueprint BMW i8 Coupé (18 - ..)
76.5
87.3
50.8
Blueprint Porsche 911 GT3 RS PDK (15 - 17)
74
77.9
76.5 in
Width
74 in
87.3 in
Width Incl. Mirrors
77.9 in
50.8 in
Height
50.8 in
Blueprint BMW i8 Coupé (18 - ..)
110.2
184.6
Blueprint Porsche 911 GT3 RS PDK (15 - 17)
96.7
178.9
184.6 in
Length
178.9 in
110.2 in
Wheelbase
96.7 in

Vehicle Weight

BMW i8 Coupé
Porsche 911 GT3 RS
3549 lb
Curb Weight
3296 lb
4200 lb
Gross Vehicle
Weight
3792 lb
BMW i8 Coupé (18 - ..)
Weight Difference:
254 lb
7.16 %
Porsche 911 GT3 RS PDK (15 - 17)

General

BMW i8 Coupé
Porsche 911 GT3 RS
I12
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW i8 Coupé
Porsche 911 GT3 RS
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B38
Engine Series
B38-K15
Engine Code
4
Valves
4
3
Cylinders
6
1.5 L / 73 cu in
Displacement
4 L / 196 cu in
369 hp
at 5800 rpm
Power
493 hp
at 8250 rpm
BMW i8 Coupé
369 hp
493 hp
Porsche 911 GT3 RS
420 lb‑ft
at 3700 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
BMW i8 Coupé
420 lb‑ft
339 lb‑ft
Porsche 911 GT3 RS

Performance

BMW i8 Coupé
Porsche 911 GT3 RS
155 mph
Maximum Speed
193 mph
4.4 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph 62
mph

200 ft
0.000 sec

BMW i8 Coupé

62 mph 62
mph

151 ft
0.000 sec

Porsche 911 GT3 RS

▶ REPLAY
9.62 lb/hp
Weight-to-Power Ratio
6.69 lb/hp
BMW i8 Coupé
9.62 lb/hp
6.69 lb/hp
Porsche 911 GT3 RS

Fuel Economy / Emissions

BMW i8 Coupé
Porsche 911 GT3 RS
Fuel Economy
131 mpg
combined
19 mpg
BMW i8 Coupé
131 mpg
19 mpg
Porsche 911 GT3 RS
No data
city
12 mpg
No data
highway
26 mpg
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
1036 mi
Range
313 mi
BMW i8 Coupé
1036 mi
313 mi
Porsche 911 GT3 RS
Environmental Impact
34.1 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
240.6 kWh
BMW i8 Coupé
34.1 kWh
240.6 kWh
Porsche 911 GT3 RS
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
77 g/mi (WLTP)
CO2 Emissions
476 g/mi (NEFZ)

Practical Convenience

BMW i8 Coupé
Porsche 911 GT3 RS
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
496 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data